High specific gravity high-dispersibility and anti-impact ABS (Acrylonitrile Butadiene Styrene) material and preparation method thereof

An ABS material with high dispersibility technology, which is applied in the field of high specific gravity, impact-resistant ABS material and its preparation, and high dispersibility. It can solve the problems of poor dispersibility with modifiers and poor processing fluidity of ABS resin. Achieve the effects of avoiding appearance defects, improving activity and dispersibility, and promoting dispersion

Inactive Publication Date: 2017-05-24
GUANGDONG JUHANG INST FOR ADVANCED MATERIALS CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem that the ABS resin has poor dispersibility with the modifier after the modifier is added, resulting in poor processing fluidity of the ABS resin, the present invention provides a high specific gravity, high dispersibility, impact-resistant ABS material and a preparation method thereof

Method used

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  • High specific gravity high-dispersibility and anti-impact ABS (Acrylonitrile Butadiene Styrene) material and preparation method thereof

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Embodiment 1

[0023] The present embodiment provides a kind of preparation method of high specific gravity, high dispersibility, impact-resistant ABS material, and its preparation method comprises the following steps:

[0024] The first step: add metallocene LLDPE 1500g, barium sulfate 8000g, toughener EPDM rubber 200g, ethylene bisstearamide and magnesium stearate 150g each into a high-speed mixer and mix for 4 minutes to obtain a pre-filling masterbatch mix;

[0025] The second step: put the filler masterbatch premix in the first step into the twin-screw extruder to extrude and granulate. The processing temperature of the extruder is 180°C, the screw speed is 300r / min, and the feeding speed is 15HZ. The length-to-diameter ratio of the twin-screw extruder screw is 40:1, after melting, extrusion, cooling, pelletizing, drying, the filling masterbatch product can be obtained;

[0026] The third step: Add 2500g of the filler masterbatch in the second step, 4700g of ABS, 2500g of precipitated ba...

Embodiment 2

[0029] The difference between this embodiment and the first embodiment is that in the third step, 3000 g of masterbatch, 4600 g of ABS and 2100 g of precipitated barium sulfate are filled.

Embodiment 3

[0031] The difference between the present embodiment and the first embodiment is that in the third step, 3500 g of masterbatch, 4500 g of ABS and 1700 g of precipitated barium sulfate are filled.

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Abstract

The invention belongs to the technical field of high polymer materials, and in particular relates to a high specific gravity high-dispersibility and anti-impact ABS (Acrylonitrile Butadiene Styrene) material and a preparation method thereof. The high specific gravity high-dispersibility and anti-impact ABS material comprises the following components in parts by weight: 40-55 parts of ABS, 15-45 parts of precipitated barium sulfate, 10-35 parts of packing master batch, 1-3 parts of a compatilizer, 1-1.5 parts of a lubricant and 0.2-0.5 part of an antioxidant, wherein the packing master batch comprises the following components in parts by weight: 15 parts of metallocene LLDPE (Linear Low Density Polyethylene), 80 parts of precipitated barium sulfate and 5 parts of a processing aid; the packing master batch is prepared by using a twin-screw extruder through melting, extrusion, pelleting and drying. As the packing master batch with surface activated barium sulfate is mixed with ABS resin, the compatilizer, the lubricant and the antioxidant, the interface bonding force of the ABS resin and the precipitated barium sulfate is increased by the surface activated barium sulfate and the compatilizer, the toughness of an ABS composite material is improved, and the application range of the ABS composite material is broadened.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a high specific gravity, high dispersion, impact-resistant ABS material and a preparation method thereof. Background technique [0002] ABS resin is a terpolymer composed of acrylonitrile, butadiene and styrene. Because ABS resin can show the synergistic performance between the three components, it has high surface hardness, toughness, good low temperature impact resistance, good creep resistance, good dimensional stability, small molding shrinkage, and excellent processing performance. With excellent performance, it is widely used in household appliances, mechanical parts, office supplies, electronic devices, automobile industry and other fields. However, ABS has some defects, such as high melt viscosity, poor fluidity, poor thermal stability and weather resistance. In the actual use process, the ABS resin material is often filled and modified by adding i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L23/08C08L23/16C08L51/00C08L51/06C08L33/04C08K13/06C08K9/04C08K9/10C08K3/30C08K5/134C08K5/526
CPCC08L55/02C08L2205/02C08L2205/035C08L23/0815C08L23/16C08L51/006C08L51/06C08L33/04C08K13/06C08K9/04C08K9/10C08K2003/3045C08K5/1345C08K5/526
Inventor 杨金波陈旭东杨军明李梦燃姚跃李素英陈诗韵林成辉
Owner GUANGDONG JUHANG INST FOR ADVANCED MATERIALS CO LTD
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